Quantum Physics · Physics & Astronomy
Quantum Physics
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3,630 papers, from 4 September 2026 to 5 November 2026: 3,630 arXiv preprints.
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Newest papers, page 64
Noise-Awareness in Quantum Software Testing: An Empirical Landscape Analysis
Noisy Intermediate-Scale Quantum (NISQ) hardware has transformed quantum computing into a practical experimental platform while introducing fundamental challenges associated with hardware noise…Response theory at low temperature for weakly interacting quantum spin systems
Recent work by Greenblatt, Lange, Marcelli, and Porta (Commun.Spatial Discretization Error for Quantum Chemistry Simulation
Nonrelativistic quantum chemistry is based on the Schrödinger equation in continuous, unbounded space.Upper Bound on the Correlation Energy of a Dense Fermi Gas in the Thermodynamic Limit
We prove that the random phase approximation provides an upper bound on the correlation energy of a three-dimensional, weakly interacting, Fermi gas in the thermodynamic limit at high density.De Finetti Structures in Networks of Quantum Systems
Consider $N$ identical quantum systems at the vertices of a graph, interacting via pairwise edge couplings.Fully quantum fidelity-based entropic continuity bounds
We present a continuity bound for quantum conditional entropies in terms of fidelity, with no dependence on the dimension of the conditioning system.Anomalously fast heating of ground states in dephased $SU(N)$ spin systems
We identify a strong quantum Mpemba effect in which a many-body ground state heats faster than every Gibbs state at finite positive temperature under the same dissipative dynamics within a…Exact quantum Hamming-weight computation at optimal depth and minimum width
Hamming-weight computation and symmetric Boolean functions are basic primitives for quantum arithmetic and state preparation, where circuit depth and qubit overhead matter.Failure of disjoint additivity under magnetic Gauss constraints
Under local magnetic Gauss constraints, vertex-disjoint regions can have commuting physical observable algebras that do not generate all observables on their union.Can Quantum Entanglement Increase the Capacity of a Classical Relay Channel?
We show positive and negative results on classical relay channels with entanglement assistance, revealing a sharp contrast between strictly causal and causal relay encoding.Real-time quantum simulation of hadron production in deep inelastic scattering
We develop a quantum simulation framework for meson production in deep inelastic scattering based on light-front QCD Hamiltonian formalism.Rydberg Atomic Receiver for Wireless Physical Layer: A Survey
With the escalating development of the quantum information technologies, the Rydberg atomic receiver has been envisioned as a promising alternative to its classical electronic counterparts…Squeezing and Decoherence of Axion Dark Matter
Bosonic particles beyond the Standard Model, such as axions, are among the leading candidates for dark matter.\textit{In situ} certification of multiparticle indistinguishability in a generic interferometer
We propose a scalable and efficient \textit{in situ} method for assessing the multiparticle indistinguishability of identical bosons or fermions in quantum interference experiments on linear…Topological Quantum Gates on FCIs with Bounded Quantum Geometry
Two-band 2D fractional Chern insulators (FCIs) have recently been shown, in principle, to admit unusual anyonic order, associated with Bloch Hopfions localized in momentum space.Cryogenic Recharacterization of a Commercial 22 nm FD-SOI Foundry Standard-Cell Library
Wiring and bandwidth bottlenecks between a quantum processor and room-temperature electronics can be reduced by placing digital control at the cryogenic stage, but commercial foundry standard-cell…Randomness Certification from Statistically Hiding Commitments
Randomness certification aims to guarantee that the output of an untrusted quantum device contains genuine randomness that remains unpredictable even given quantum side information held by an…Multiplicative Noise in Nanolaser Amplification: From Discrete Emission Events to the Additive-Noise Limit
Laser amplification kicks off with just a few photons in the cavity, a regime where standard additive Langevin noise cannot capture the real fluctuations.Quantum-Classical Iterative Refinement for the Pressure-Poisson Equation on NISQ Hardware
We present a hybrid quantum-classical iterative refinement for the pressure-Poisson equation of the incompressible Navier-Stokes projection method on noisy quantum hardware.FTWeave: Composing Logical Execution, Real-Time Decoding, and Magic-State Supply in Tightly Integrated Quantum-Classical Systems
Fault-tolerant quantum applications depend on both decoded measurement information and a continuing supply of magic states.